redis管理分布式session

ngnix:一个高性能的HTTP和反向代理服务器,用来分发请求

一.安装ngnix

1. http://nginx.org/en/download.html 下载,本人安装的windows版本(1.12.2),安装成功之后可直接启动;
2. 修改配置文件nginx.conf，upstream中可配置多个tomcat,我使用的一台电脑将两个tomcat端口修改不同，location中将root,index注释,新增proxy_pass http://myTomcat;重启ngnix: nginx -s reload

   #user  nobody;
   worker_processes  1;
   
   #error_log  logs/error.log;
   #error_log  logs/error.log  notice;
   #error_log  logs/error.log  info;
   
   #pid        logs/nginx.pid;
   
   
   events {
       worker_connections  1024;
   }
   
   
   http {
       include       mime.types;
       default_type  application/octet-stream;
   
       #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
       #                  '$status $body_bytes_sent "$http_referer" '
       #                  '"$http_user_agent" "$http_x_forwarded_for"';
   
       #access_log  logs/access.log  main;
   
       sendfile        on;
       #tcp_nopush     on;
   
       keepalive_timeout  0;
       #keepalive_timeout  65;
   
       #gzip  on;
       upstream myTomcat{
               #这里指定多个源服务器，ip:端口,80端口的话可写可不写
               server 127.0.0.1:801 weight=1;
               server 127.0.0.1:802 weight=1;
               #ip_hash;
           }
       server {
           listen       80;
           server_name  localhost;
   
           #charset koi8-r;
   
           #access_log  logs/host.access.log  main;
           #server_name localhost;  
           
           location / {
               
               #root   html;
               #index  index.html index.htm;
               proxy_pass http://myTomcat;
                 proxy_set_header Host $host; 
           proxy_set_header X-Real-IP $remote_addr; 
           proxy_set_header REMOTE-HOST $remote_addr; 
           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
   
           }
   
           #error_page  404              /404.html;
   
           # redirect server error pages to the static page /50x.html
           #
           error_page   500 502 503 504  /50x.html;
           location = /50x.html {
               root   html;
           }
   
           # proxy the PHP scripts to Apache listening on 127.0.0.1:80
           #
           #location ~ \.php$ {
           #    proxy_pass   http://127.0.0.1;
           #}
   
           # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
           #
           #location ~ \.php$ {
           #    root           html;
           #    fastcgi_pass   127.0.0.1:9000;
           #    fastcgi_index  index.php;
           #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
           #    include        fastcgi_params;
           #}
   
           # deny access to .htaccess files, if Apache's document root
           # concurs with nginx's one
           #
           #location ~ /\.ht {
           #    deny  all;
           #}
       }
   
   
       # another virtual host using mix of IP-, name-, and port-based configuration
       #
       #server {
       #    listen       8000;
       #    listen       somename:8080;
       #    server_name  somename  alias  another.alias;
   
       #    location / {
       #        root   html;
       #        index  index.html index.htm;
       #    }
       #}
   
   
       # HTTPS server
       #
       #server {
       #    listen       443 ssl;
       #    server_name  localhost;
   
       #    ssl_certificate      cert.pem;
       #    ssl_certificate_key  cert.key;
   
       #    ssl_session_cache    shared:SSL:1m;
       #    ssl_session_timeout  5m;
   
       #    ssl_ciphers  HIGH:!aNULL:!MD5;
       #    ssl_prefer_server_ciphers  on;
   
       #    location / {
       #        root   html;
       #        index  index.html index.htm;
       #    }
       #}
   
   }

   ngnix.conf